Could a common supplement ease tough schizophrenia symptoms?
Symptom relief
Not yet recruiting
This study tests whether a supplement called pyrroloquinoline quinone (PQQ) can help reduce negative symptoms (like lack of motivation) and improve thinking skills in people with chronic schizophrenia. About 70 adults aged 18 to 50 will receive either PQQ or a placebo for several…
Phase: NA • Sponsor: Tianjin Anding Hospital • Aim: Symptom relief
Last updated May 15, 2026 11:56 UTC